<template>
    <el-form
      ref="ruleFormRef"
      style="max-width: 600px"
      :model="ruleForm"
      :rules="rules"
      label-width="auto"
    >
      <el-form-item label="Activity name" prop="name">
        <el-input v-model="ruleForm.name" />
      </el-form-item>
      <el-form-item label="Activity zone" prop="region">
        <el-select v-model="ruleForm.region" placeholder="Activity zone">
          <el-option label="Zone one" value="shanghai" />
          <el-option label="Zone two" value="beijing" />
        </el-select>
      </el-form-item>
      <el-form-item label="Activity count" prop="count">
        <el-select-v2
          v-model="ruleForm.count"
          placeholder="Activity count"
          :options="options"
        />
      </el-form-item>
      <el-form-item label="Activity time" required>
        <el-col :span="11">
          <el-form-item prop="date1">
            <el-date-picker
              v-model="ruleForm.date1"
              type="date"
              aria-label="Pick a date"
              placeholder="Pick a date"
              style="width: 100%"
            />
          </el-form-item>
        </el-col>
        <el-col class="text-center" :span="2">
          <span class="text-gray-500">-</span>
        </el-col>
        <el-col :span="11">
          <el-form-item prop="date2">
            <el-time-picker
              v-model="ruleForm.date2"
              aria-label="Pick a time"
              placeholder="Pick a time"
              style="width: 100%"
            />
          </el-form-item>
        </el-col>
      </el-form-item>
      <el-form-item label="Instant delivery" prop="delivery">
        <el-switch v-model="ruleForm.delivery" />
      </el-form-item>
      <el-form-item label="Activity location" prop="location">
        <el-segmented v-model="ruleForm.location" :options="locationOptions" />
      </el-form-item>
      <el-form-item label="Activity type" prop="type">
        <el-checkbox-group v-model="ruleForm.type">
          <el-checkbox value="Online activities" name="type">
            Online activities
          </el-checkbox>
          <el-checkbox value="Promotion activities" name="type">
            Promotion activities
          </el-checkbox>
          <el-checkbox value="Offline activities" name="type">
            Offline activities
          </el-checkbox>
          <el-checkbox value="Simple brand exposure" name="type">
            Simple brand exposure
          </el-checkbox>
        </el-checkbox-group>
      </el-form-item>
      <el-form-item label="Resources" prop="resource">
        <el-radio-group v-model="ruleForm.resource">
          <el-radio value="Sponsorship">Sponsorship</el-radio>
          <el-radio value="Venue">Venue</el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item label="Activity form" prop="desc">
        <el-input v-model="ruleForm.desc" type="textarea" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm(ruleFormRef)">
          Create
        </el-button>
        <el-button @click="resetForm(ruleFormRef)">Reset</el-button>
      </el-form-item>
    </el-form>
  </template>
  
  <script lang="ts" setup>
  import { reactive, ref } from 'vue'
  
  import type { FormInstance, FormRules } from 'element-plus'
  
  interface RuleForm {
    name: string
    region: string
    count: string
    date1: string
    date2: string
    delivery: boolean
    location: string
    type: string[]
    resource: string
    desc: string
  }
  
  const ruleFormRef = ref<FormInstance>()
  const ruleForm = reactive<RuleForm>({
    name: 'Hello',
    region: '',
    count: '',
    date1: '',
    date2: '',
    delivery: false,
    location: '',
    type: [],
    resource: '',
    desc: '',
  })
  
  const locationOptions = ['Home', 'Company', 'School']
  
  const rules = reactive<FormRules<RuleForm>>({
    name: [
      { required: true, message: 'Please input Activity name', trigger: 'blur' },
      { min: 3, max: 5, message: 'Length should be 3 to 5', trigger: 'blur' },
    ],
    region: [
      {
        required: true,
        message: 'Please select Activity zone',
        trigger: 'change',
      },
    ],
    count: [
      {
        required: true,
        message: 'Please select Activity count',
        trigger: 'change',
      },
    ],
    date1: [
      {
        type: 'date',
        required: true,
        message: 'Please pick a date',
        trigger: 'change',
      },
    ],
    date2: [
      {
        type: 'date',
        required: true,
        message: 'Please pick a time',
        trigger: 'change',
      },
    ],
    location: [
      {
        required: true,
        message: 'Please select a location',
        trigger: 'change',
      },
    ],
    type: [
      {
        type: 'array',
        required: true,
        message: 'Please select at least one activity type',
        trigger: 'change',
      },
    ],
    resource: [
      {
        required: true,
        message: 'Please select activity resource',
        trigger: 'change',
      },
    ],
    desc: [
      { required: true, message: 'Please input activity form', trigger: 'blur' },
    ],
  })
  
  const submitForm = async (formEl: FormInstance | undefined) => {
    if (!formEl) return
    await formEl.validate((valid, fields) => {
      if (valid) {
        console.log('submit!')
      } else {
        console.log('error submit!', fields)
      }
    })
  }
  
  const resetForm = (formEl: FormInstance | undefined) => {
    if (!formEl) return
    formEl.resetFields()
  }
  
  const options = Array.from({ length: 10000 }).map((_, idx) => ({
    value: `${idx + 1}`,
    label: `${idx + 1}`,
  }))
  </script>
  